Effects of roadway section length on accident modeling

Paulo Tarso V. Resende, Rahim F. Benekohal

Research output: Contribution to conferencePaperpeer-review

Abstract

In highway safety studies, the accident rates are derived from the number of accidents divided by the section length that varies from a fraction of a mile to several miles. The section length affects the rates and the rates influence the accident prediction models. The rates from short sections may give 'misleading' statistics and correlation to roadway and traffic conditions. This study analyzes the influence of section lengths on accident rates and how that influences the geometric variables used in accident prediction. The analyses are for rural interstate highways and rural two-lane highways. To get reliable accident prediction models the rates should be computed based from sections 0.5 miles or longer.

Original languageEnglish (US)
Pages403-409
Number of pages7
StatePublished - Jan 1 1997
EventProceedings of the 1997 Conference on Traffic Congestion and Traffic Safety in the 21st Century - Chicago, IL, USA
Duration: Jun 8 1997Jun 11 1997

Other

OtherProceedings of the 1997 Conference on Traffic Congestion and Traffic Safety in the 21st Century
CityChicago, IL, USA
Period6/8/976/11/97

ASJC Scopus subject areas

  • Safety, Risk, Reliability and Quality
  • Safety Research

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